Gene Symbol: Rif1
Description: replication timing regulatory factor 1
Alias: RGD1562474, LOW QUALITY PROTEIN: telomere-associated protein RIF1, telomere-associated protein RIF1, RAP1 interacting factor homolog
Species: rat
Products:     Rif1

Top Publications

  1. Adams I, McLaren A. Identification and characterisation of mRif1: a mouse telomere-associated protein highly expressed in germ cells and embryo-derived pluripotent stem cells. Dev Dyn. 2004;229:733-44 pubmed
    We have identified a mouse ortholog of the yeast Rif1 family of telomere-associated proteins on the basis of its high expression in primordial germ cells and embryo-derived pluripotent stem cell lines...
  2. Xu L, Blackburn E. Human Rif1 protein binds aberrant telomeres and aligns along anaphase midzone microtubules. J Cell Biol. 2004;167:819-30 pubmed
    We identified and characterized a human orthologue of Rif1 protein, which in budding yeast interacts in vivo with the major duplex telomeric DNA binding protein Rap1p and negatively regulates telomere length...
  3. Loh Y, Wu Q, Chew J, Vega V, Zhang W, Chen X, et al. The Oct4 and Nanog transcription network regulates pluripotency in mouse embryonic stem cells. Nat Genet. 2006;38:431-40 pubmed
    ..The emerging picture is one in which Oct4 and Nanog control a cascade of pathways that are intricately connected to govern pluripotency, self-renewal, genome surveillance and cell fate determination. ..
  4. Di Virgilio M, Callen E, Yamane A, Zhang W, Jankovic M, Gitlin A, et al. Rif1 prevents resection of DNA breaks and promotes immunoglobulin class switching. Science. 2013;339:711-5 pubmed publisher
    ..Here, we identify Rap1-interacting factor 1 (Rif1) as an ATM (ataxia-telangiectasia mutated) phosphorylation-dependent interactor of 53BP1 and show that absence of ..
  5. Zimmermann M, Lottersberger F, Buonomo S, Sfeir A, de Lange T. 53BP1 regulates DSB repair using Rif1 to control 5' end resection. Science. 2013;339:700-4 pubmed publisher
    ..Using dysfunctional telomeres and genome-wide DSBs, we identify Rif1 as the main factor used by 53BP1 to impair 5' end resection...
  6. Chapman J, Barral P, Vannier J, Borel V, Steger M, Tomás Loba A, et al. RIF1 is essential for 53BP1-dependent nonhomologous end joining and suppression of DNA double-strand break resection. Mol Cell. 2013;49:858-71 pubmed publisher
    ..Here we report that Rif1(-/-) mice are severely compromised for 53BP1-dependent class switch recombination (CSR) and fusion of dysfunctional ..
  7. Escribano D az C, Orthwein A, Fradet Turcotte A, Xing M, Young J, Tk J, et al. A cell cycle-dependent regulatory circuit composed of 53BP1-RIF1 and BRCA1-CtIP controls DNA repair pathway choice. Mol Cell. 2013;49:872-83 pubmed publisher
    ..ATM-dependent phosphorylation of 53BP1 physically recruits RIF1 to DSB sites, and we identify RIF1 as the critical effector of 53BP1 during DSB repair...
  8. Panier S, Boulton S. Double-strand break repair: 53BP1 comes into focus. Nat Rev Mol Cell Biol. 2014;15:7-18 pubmed publisher
    ..From these studies, a model is emerging in which 53BP1 recruitment requires the direct recognition of a DSB-specific histone code and its influence on pathway choice is mediated by mutual antagonism with breast cancer 1 (BRCA1). ..
  9. Dan J, Liu Y, Liu N, Chiourea M, Okuka M, Wu T, et al. Rif1 maintains telomere length homeostasis of ESCs by mediating heterochromatin silencing. Dev Cell. 2014;29:7-19 pubmed publisher
    ..We show that telomere-associated protein Rif1 is required to maintain telomere length homeostasis by negatively regulating Zscan4 expression, a critical factor ..

More Information


  1. Drané P, Brault M, Cui G, Meghani K, Chaubey S, Detappe A, et al. TIRR regulates 53BP1 by masking its histone methyl-lysine binding function. Nature. 2017;543:211-216 pubmed publisher
    ..the protein kinase ataxia-telangiectasia mutated (ATM) phosphorylates 53BP1 and recruits RAP1-interacting factor 1 (RIF1) to dissociate the 53BP1-TIRR complex...